Home / 161,946.80-223,486.97-90,331.46

Finding the Fourth Proportional to 161,946.80, 223,486.97 and 90,331.46

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Solution

The fourth proportional to 161,946.80, 223,486.97 and 90,331.46 is: 124,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.80 : 223,486.97 = 90,331.46 : x
  2. Step 2: Convert to fraction form
    161,946.80/223,486.97 = 90,331.46/x
  3. Step 3: Cross multiply
    161,946.80x = 223,486.97 × 90,331.46
  4. Step 4: Simplify right side
    161,946.80x = 20,187,902,721.98
  5. Step 5: Solve for x
    x = 20,187,902,721.98/161,946.80
  6. Step 6: Final answer
    x = 124,657.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.